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  1. Yesterday
  2. hello @t.kani, For Tinker Board 2 For Tinker Board 2 / Tinker Board 2S Method 1: Convert the logo file to 24 bit BMP file. It is recommended to use Window Paint for conversion. Note: After converting to 24 bit BMP file, the BMP file MUST be less than 700K bytes. Rename the BMP file to logo.bmp Copy logo.bmp and rename it to logo_kernel.bmp Replace logo.bmp and logo_kernel.bmp with logo.bmp and logo_kernel.bmp under sourcecode/kernel. Build kernel image and flash kernel image. Method 2: Convert the logo file to 24 bit BMP file. It is recommended to use Window Paint for conversion Note: After converting to 24 bit BMP file, the BMP file MUST less than 700K bytes. Rename the BMP file to logo.bmp Copy logo.bmp to sourcecode/kernel/scripts/ Execute the following command on the ubuntu server: ./bmpconvert logo.bmp You will see the following message after the command is successful Powering on device, and open terminal. Enter “reboot-bootloader” in terminal to enter fastboot mode Execute command to flash logo.bmp into splash partition fastboot flash splash logo.bmp
  3. Last week
  4. Hello Tooz! You wrote it down properly here! Thank you so much! If you have any specific details or context you want to include, let me know!
  5. hello @t.kani, please refer to the developer guide 'change boot logo': Developer Guide · TinkerBoard/TinkerBoard Wiki (github.com)
  6. @tooz thanks for the prompt response. Tried and tested it, and yes, it solved our issue. 👌
  7. Hello, I'd like to know how to hide the [TinkerBoard] image displayed during startup on Tinker Board 2S. If it's possible to replace it with a black image, that's fine too. Thank you in advance.
  8. Earlier
  9. hello @Jovan, this issue has been fixed in v.3.0.16, please use this version (or any version later than v.3.0.16) and give it a try. the latest os released is v.3.0.18: Tinker Board 2 /2S Debian 11 (kernel 5.10) v.3.0.18
  10. what's the cmos battery you're using? if it's got external pins perhaps you can try connecting it with the 40 pin module on tinker board 2s for it to read the voltage
  11. Hello, We're having issues with reading date&time from RTC clock. Battery is connected, voltage is measured and is ok. We can set the date&time in RTC clock using command "hwclock --systohc" as you can see in screenshot below: But our issue is that after the reboot, only the date is read from RTC clock. After the reboot, time starts every time at 00:00:00 even though it was written to RTC before the reboot. This is plain vanilla Debian OS and we're having this issue consistently on more than one device. Any ideas? Thanks a lot.
  12. hello @Jovan, it's not possible to read the cmos battery voltage due to hardware design. the input supply voltage range cannot be read externally
  13. hello @wahaha, you still need to download all the sources and build a complete os image in order to make the sd card work; unfortunately only building u-boot image is not enough. the easiest way is to compile the complete .img and then change the rootfs to compile u-boot: git clone https://github.com/TinkerBoard-Linux/rockchip-linux-rkbin.git mv rockchip-linux-rkbin rkbin git clone https://github.com/TinkerBoard-Linux/rockchip-linux-prebuilts-gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu.git git clone https://github.com/TinkerBoard-Linux/rockchip-linux-u-boot.git cd rockchip-linux-u-boot ./make.sh tinker_board_2 CROSS_COMPILE=/path/to/rockchip-linux-prebuilts-gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu- *please change the path of CROSS_COMPILE=/ to where rockchip-linux-prebuilts-gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu- is located
  14. Hello, Is there any way to read voltage level of the installed CMOS battery within the Debian OS? Purpose is to signal the operator when there is a need for battery replacement before it becomes dead and unusable. Thanks
  15. Hi @tooz, Sorry I missed your reply..! I was revisiting this again, but i don't see where ./build.sh is. I cloned https://github.com/TinkerBoard-Linux/rockchip-linux-u-boot which is for kernel 5.10 uboot it seems. but can't seem to build the uboot. 2nd qns: the guide you posted above is purely to build the uboot right? I still have to build the kernel separately, and the OS image? Can you share how the OS image can also be flashed onto the sdcard please? Thank you,
  16. hello. for anyone who is still looking for this, its here: https://github.com/TinkerBoard-Linux. You need to go into repositories and look for the relevant items: rockchip-linux-u-boot | rockchip-linux-kernel |
  17. Does your new m.2 AX210NGW Wifi 6/Bluetooth 5.3 card work? Do you install a driver for it?
  18. ken

    I2C SC16IS752 Interface

    The products are listed below. Serial Expansion HAT - Waveshare Wiki
  19. hello @skyrock123, 1. the default rtc is rk808-rtc on i2c bus, you'll need to connect to the the internet at least once to sync time, with command sudo hwclock -w so that the system time (rk808-rtc) is updated 2. if you use the command: sudo i2cdetect it'll list the usage that you might want to have a check, otherwise you can have a look at this page: https://manpages.debian.org/unstable/i2c-tools/i2cdetect.8.en.html 3. if there's no external rtc module, then the data from rk808-rtc would be fetched with this command. if you're not able to connect to the internet to sync time, you can change the time and date manually with command: hwclock --set --date "2024-05-29 11:30:00" for your reference: https://www.thegeekstuff.com/2013/08/hwclock-examples/
  20. hello tinker experts, I'm having issues trying to use rtc in my tinker board, I want it to function so that i get the correct time & date even when I power on my device without any internet connection, now the issues I'm facing are when i connect the rtc module to the tinker board by connecting pin3 and pin5 to the corresponding pins and a cmos battery already connected to rtc module, im getting linaro@linaro-alip:/$ sudo i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: 50 51 52 53 -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- what does this mean and the thing i dont understand is even when i disconnect the rtc module and make sure there are no i2c connections are connected on board im getting linaro@linaro-alip:/$ sudo hwclock -r -f /dev/rtc0 2024-05-28 13:26:15.099234+05:30 my hardware config is ##### Hardware Interface Config ##### ## Note: fiq_debugger and uart3 use the same pin. Set fiq_debugger first while $ ## Note: uart4 and spi0 are the same pins. Set the latter one while both on. ## ## Note: uart2 is the same pins to pwm2 and pwm3. Set the latter one while both$ intf:fiq_debugger=on intf:i2c1=on intf:i2c4=on #intf:spi0=off #intf:spi2=off #intf:pwm2=off #intf:pwm3=off intf:pcm_i2s=on intf:uart1=on intf:uart2=on intf:uart3=on intf:uart4=on i dont understand why, i just want to get correct date and time between power on and offs even when there is no internet connection.. can some one guide me through the steps required to achieve this functionality
  21. hello @M@riusz, yes, but it's going to take a while. will keep you updated.
  22. Hello, Is there a new version of the Debian 11 software planned for Tinker Board R2.0?
  23. hello @lloydhussell, here a link of the latest android release for tinker 3n: Tinker Board 3N Android 12 V.1.0.14
  24. tooz

    I2C SC16IS752 Interface

    hello @ken, do you have logs that we can have a look and check the compatibility?
  25. I am trying to interface as I need up to 6 serial ports. In the case of RaspberryPi, there is a product that can use up to 32 by creating two serial ports using the SC16IS752 using I2C and adding addresses. I'm trying to apply this to Tinker Board2, but there are problems with the driver, etc. Could you please give me some reference information? Have a good day.
  26. Can you provide a link to the userdebug build for the tinkerboard 3n, please? And is there not a release build that we can use with CAN? This is to be used in commercially available products.
  27. hello @lloydhussell, you can use can-utils with android userdebug build for tinker board 3n
  28. I would like to buy the Tinkerboard 3N for its CANbus capabilities. But I can't find the Mraa lib files for the 3N which include CAN bus interfaces. Can I please have some link to such source code? Thanks.
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